Radiator cap



Patenfed Nov. 8, 1927.

op1ic tion 1ed Jnne 18, 1926. seTia1 No. 116 870.

The nlain objects of thiS invention are: FirSt, to rovide an iIn loved fadatOr cap v7hich iS effectively Sealed againSt the eSCape of Tvate' ()I' SteaIn and alSo one in v7hich the ornanento1 featuros of the ca I11ay be Topefly alined or poSitioned felotive to the radiator.

SeCond, to rovide a ca having theSe L(1- YantageS o hich iS coIn aratively Sin1Ple and I eConoT1ion1 in strnctllTe and iS not likely to becoIne inoPerative foI the PurPOSe aS a Te slllt of Severe USage,

obiectS pertoining to detailS nd oCon oInies of TI1 ilT1 )rovelnentS i11 definltely 1 a pear froIn the detailed descri tion to fol v.' The inventioI1 iS Cleofly dened and )ointed out in the oloilns.

11 Str11ctuTe enlbodying the featnreS of nly invention iS clearly il111Strated in the accoIn panying dravving forIning a paTt of thiS a plication, in vhic11= Fig. 1 iS a fragInentary vieW aTHy ln vertica1 oentral Section thTough a radiatoI neck and oap eInbodying the featufeS of nly 2 invention, the section being oI1 a line corTe- SPonding to line 11 of Eig. 2.

I ig. 2 iS 3 Plon view of the throst nlen1- ber,

ig. 3 iS a detai1 vieW on 8 1ine coTTe- Sponding to theoorved line 33 of 1g. 2.

I ig. iS- fTagInentory Section corre, s oding to that of Eig. 1 vvith the o1osure membeT omitted.

eferTing to the dfavviIlg, 1 fe Tesents the threaded Ileck of an autonlobile fadiafor. 1 the en1bodiment ShoWn in Fig. 1 the oap 2 iS iI1terIlolly chanlbered and ptovided vvth ornaInental foieotioI1S 3 oonventionally 111- aicated This cap haS an interna1 an 1u1ar Ste ed S11()I11(1eI' roviding an annnlaT Set 4 and n ollteI' Seat 5.- The inneT Seat con Stit11teS a SopPort foI' the tongne1ike SpringS 6 of the annular thruSt n1eInher 7, t1leso SpringS being St11ck fro1T1 the body of the thruSt ITleII1bef and being of gener1 seg Inental forn] loosely fitting in the receSS forIned by the inneI' Sfe of the Shoulder and reSting on tho seat th11S pfovided.

The diaIneter of the thfuSt nleInbeI' 7 is SIloh -tI1at .it iS looSely Sn poffed by the SPrings in the oap, the seat 5, hovveve1, 0011- Stituting StoP lin1itiIlg the oonapSing of the S fings. ThiS PfeventS the coIn lete co11PS ing of the S flngS and the poSSible conSe v quent Setting thereof.

The .thruSt Inen1bef 7 orgeS the gSket 8 againSt the end of the neck 1 yieldingly Sup porting the gaSket and alSO roviding Ineans folyieldngly holding the ca in itS aClj11Sted positioI]S on tlle neck to fO efly pTeSent the ofnaInental featofes of the ooP.

In tho embodiment Shown in ig. 1 o C1oSure 9 iS Plovided, the edges of thiS Closllro being diSpoSed betv een the thrUSt Inelnber and the gaSkot, thefeby providing a Sealing IneanS at the to of the gaSkef So thot Stenln of vafeI CanI1ot )osS afonnd the akefand doTvnx ordly throu h the thfeadS.

In fhe lnodifiCation ShoTvn ln Fig. thiS feoture iS onitted 1or conTehienCe in n1allofactofe I Tovide the Cap Xvifh Hn infernal buShing 10 of bfaSS of other S11ifa})le non-coffodible Inateria1 to feCeive fho fhreadS, fhis buShing being oaSt or n1olded on to an annolar Tib 11 vvhefeby 4 the bUShing iS fetoined in -place.

The Cap haS an o ening 12 in the to ada fed to I'eceive the SteIn of an ofnaInent o1 the like and thiS o ening iS oloSed by a re n10vab]e diSk 13 vvhich Inay be punched out or femoved to efInit the attachment to be inSerted and Seoured in fhe oPening or, if deSifed, the caI) Inay be llSed v7ithoI1t such ornaIneIlt, the diSk SeI'ving os aI1 eff eotive 0nish foI the top of the oap.

1 ith thiS afrangenlent of )ftS o Sub Stantially perfeot Seal is Seoured, tht is, the vater and stean1 connot escape aroond the gasket vvhen the closufe 9 is loresellt. `11r ther, the aSket is felieved of the StTeSSes Which Would be likely to destToy the some in the torning on and feTI1oval of the cap.

The oap Inay be positioned aS is pToper tocofrectly PreSent the ofnanlenta1 featufes thereof.

13y providing the stop liIniting the co11aps ing of the SPring nleInbers, the S )ringS oa11- I1of be set oI' Subiecfed to such PresSure os iS Hkely to deStroy them.

IIaving thus deSofib-ed Iny inventio11 vvhot I olain1 a l]evv and deSiIe to sec111'e by et terS 1 otent is= 1. 1he ooInbination vvith a threaded fleck, of a chan1be1 ed infernal1y threade(1 oa hav ing an aI1I111laI' Sfe ped dovvnvvardly faoing ShooldeT, 1 gasket arranged end of the neo1, nd a thrust IneInber for applying yielding )resSuro to soid gasket and Tetining the op in its adiusted PoSi fionS on said neck provided vvith o sI)riIlg dis oSed to engage the in1eI' ste of soid ShoI1ldeI', the oIlteI' step of soid Shoulder co11 to engage the 

